# define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int is_leap_year(int y)
{
	if ((y % 4 == 0 && y % 100 != 0) || (y % 400 == 0))
		return 1;
	else
		return 0;
}

int get_days_of_months(int y, int m)
{
	int days[13] = { 0,31,28,31,30,31,30,31,31,30,31,30,31 };
	int d = days[m];
	if (is_leap_year(y), m == 2)
	{
		d += 1;
	}
	return d;
}

int main()
{
	int y = 0;
	int m = 0;
	scanf("%d %d", &y, &m);
	int d = get_days_of_months(y, m);
	printf("%d\n", d);
	return 0;
}